Recall the FEV1/VC data described in Question 5.3.2. Test H0: = 0.80 versus H0: <

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Recall the FEV1/VC data described in Question 5.3.2. Test H0: ˜μ = 0.80 versus H0: ˜μ < 0.80 using a sign test. Compare this conclusion with that of a t test of H0: μ = 0.80 versus H1: μ < 0.80. Let α = 0.10. Assume that σ is unknown.
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